Home / 4,776.96-7,156.30-2,797.72

Finding the Fourth Proportional to 4,776.96, 7,156.30 and 2,797.72

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Solution

The fourth proportional to 4,776.96, 7,156.30 and 2,797.72 is: 4,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.96 : 7,156.30 = 2,797.72 : x
  2. Step 2: Convert to fraction form
    4,776.96/7,156.30 = 2,797.72/x
  3. Step 3: Cross multiply
    4,776.96x = 7,156.30 × 2,797.72
  4. Step 4: Simplify right side
    4,776.96x = 20,021,323.64
  5. Step 5: Solve for x
    x = 20,021,323.64/4,776.96
  6. Step 6: Final answer
    x = 4,191.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.